.login {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    width: 400px;
    height: 144px;
}

.login .form {
    margin: auto 0;
    width: 400px;
}

.login .ant-col {
    margin-left: 0;
}